… With joy / And tidings fraught, to Hell he now return'd, / And at the brink of Chaos, neer the foot / Of this new wondrous Pontifice, unhop't / Met who to meet him came

The catalyst was the introduction of the Health & Safety at Work Act in 1974. While it applied to all workplaces, it gradually brought about a sea change in the attitude towards death and injury. Accidents were no longer accepted as 'inevitable'.

a bank of fog

Figure 9: A later view of the fractalysis experiment: several random walkers have stuck to the seed.